OBJECTION (5 letters) A counter-argument is a statement or idea that opposes or disagrees with an initial argument. A REBUTTAL is a response to a counter-argument, and is used to refute or disprove the counter-argument. An OBJECTION is a statement that expresses disagreement or disapproval of an idea or opinion. In other words, an OBJECTION is a type of counter-argument. Therefore, a REBUTTAL is a response to an OBJECTION, which is a type of counter-argument.